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Features
p.36 Extended Color BASIC for the TRS-80 Color Computer
[author Stan Miastkowski]
Fast, easy. and inexpensive graphics are finally available for personal computers with this new system from Radio Shack.
p.46 The Commodore VIC 20 Microcomputer: A Low Cost High Performance Consumer Computer
[author Gregg Williams]
The VIC 20 has color, Sound, graphics, and expandability, and sells for $299.9S.
p.66 DC Motor Controls: Build a Motorized Platform
[author Steve Ciarcia]
Appropriate circuts can very precisely control permanent-magnet DC motors.
p.128 Washington Tackles the Software Problem
[author Christopher Kern]
Recent court decisions pave the way for more software protection again piracy.
p.140 Legal Protection for Computer Hardware and Software
[author Stephen A Becker]
An overview of patents, copyrights, and trade secrets, and how they relate to computer software and hardware protection.
p.152 Wire-Wrapping and Proto-System Techniques
[author Adolph Mangieri]
Construction of homebrew designs is greatly aided by the complete wire-wrapping systems from Vector Electronics.
p.171 Speeding Up TRS-80 Graphics
[author Ronald Bobo and John Knoderer]
Improve the response time of BASIC graphics displays on you TRS-80.
p.204 An integer Math Package for the 8080
[author Bruce D Carbrey]
These routines are useful when you need arithmetic operations on signed 16-bit numbers.
p.280 Using interrupts on the Apple II System
[author George M White]
The use of interrupts in the 6502 microprocessor is demonstrated using an Apple II.
p.296 Digital Plotting with the Apple II Computer
[author Richard C Hallgren]
Interface an x.y plotter directly to an Apple II with a minimum of hardware.
p.316 Recursion and Side Effects in Pascal
[author Rotert Morris]
The use of global and local variables can change how a program works.
p.326 DEMONS: A Symbolic Debugging Monitor
[author A I Halsema]
Debug your machine-language programs for 6800-based systems using instruction mnemonics.
p.360 Build a Super Simple Floppy-Disk Interface, Part 1
[author James Nicholson and Roger Camp]
Ten integrated circuits can provide all the features of a commercial disk controller at a fraction of the cost.
p.408 A File Catalog System for UCSD Pascal
[author Edward Heyman]
Keep track of all those scattered files with this organization system.
p.436 Numerical Methods in Data Analysis
[author Toan C Nguyen] Gauss Jordon elimination and the Newton-Raphson method can be used to find the function curve that best fits a set of empirically determined data.
Reviews
p.22 The Epson MX-80 and MX-70 Printers
[author Kevin Cohan]
p.106 BYTE's Arcade
Star Raiders
[author Gregg Williams]
Super Nova
[author Bob Liddil]
Tranquility Base
[author Robin Moore]
Asteroids in Space and Planetoids
[author Oliver Holt]
p.148 Dancing Demon from Radio Shack
[author Elizabeth Cooper and Yvan Kolya]
p.248 Super STEP
[author Stanley D Robbins]
p.254 Wordsmith
[author Mark Dahmke]

Nucleus
p.6 Editorial How Can We Stop Software Piracy?
p.12 Letters
p.102, 236 System Notes
Improve TRS-80 Dick Operation
Add an External Data Separatot
Faster BASIC br the Ohio Scientific
p.122 430 Programming Quickies
Using Page Two with Apple Pascal Turtle Graphics
Print for the C Function Library
p.126 Cartoon
p.186 Education Forum: Getting Problem Solving Advice From a Computer
p.198 Desk-Top Wonders: A Chessboad Journey on the TI-59 Programmable Calculator
p.228 378, 452, 458 Technical Forum
Print Your Own Bar Codes
UPC Bar Codes With the Centronics 737
PAPERBYTE© Bar Codes with Integral Data Systems Printers
Favorite Benchmaks and Other Programs
Build a Noise-Based Random-Number Generator
Fast Fourier Comes Back
p.232, 252 BYTEs Bugs
p.244, 380 Book Reviews
Principies of Interactive Computer Graphics 2nd Edition
Travels in Computerland, or Incompatibilities & interfaces
p.262 BYTELINES
p.278, 428 BYTE's Bits
p.384 Ask BYTE
p.394 Softwae Received
p.398 Books Received
p.404 Clubs and Newsletters
p.447 Event Queue
p.463 What's New?
p.510 Unclassified Ads
p.511 BOMB, BOMB Results
p.512 Reader Service

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